JP2014227670A - Door device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a door device for performing opening and closing a doorway by a moving door and forming a surface of the moving door closing the doorway so as to be on same plane as the peripheral wall surface; and to provide a structure allowing the opening and closing operation of the doorway to be easily performed in the door device.SOLUTION: A door device for opening and closing a doorway by a slide type moving door is structured so that: the moving door moves from a back to a front part of a doorway together with the movement in a lateral direction when the moving door is closed; and the moving door moves from the front part of the doorway to a position to be lowered backward together with the movement in a lateral direction when the moving door is opened. Moreover, the door device is structured so that: when the moving door is closed, it moves from the back to the front part of the doorway while rotated together with the movement in the lateral direction; and when the moving door is opened, it moves from the front part of the doorway to a position to be lowered backward while rotated together with the movement in the lateral direction.

Description

  The present invention relates to a door device.

  In many construction sites, the work section is surrounded by a temporary fence for safety reasons, and such a temporary fence is provided with a door for entering and exiting the work section. There are various types of doors, but doors formed so as to be rotated by hinges, sliding doors provided on the partition panel described in Patent Document 1, and the like are often used.

JP-A-2005-330786

The hinge type door has a simple structure but requires a large space because the door rotates. For this reason, such a door may not be installed depending on the situation. Further, when the door is used in a wide doorway, the width of the door has to be increased, and the tip of the door falls downward due to the weight of the door, so that the tip needs to be lifted by a branch line.
Moreover, in the sliding door which performs the linear movement generally used, the moving door is arrange | positioned in the position (back position) which fell from the surrounding wall surface. This is because an accommodation space is required at the movement destination for the door to move, and if the doors are arranged side by side so as to be flush with the surrounding wall surface, the movement destination becomes a wall and the accommodation space cannot be secured.

In the case of the sliding door using the conventional sliding type moving door as described above, the moving door is disposed at a position recessed by about one door with respect to the surrounding wall surface. In recent years, illustrations and the like are also drawn on the walls so as not to damage the surrounding scenery. However, if there is a step between the surrounding wall surface and the movable door, the illustration drawn on the wall surface will be insufficient.
The present invention was invented in view of the above circumstances, and is a door device that opens and closes a doorway by a movable door, but can be formed so that the surface of the movable door that closes the doorway is flush with the surrounding wall surface. It is a problem to provide. It is another object of the present invention to provide a structure that can easily open and close the door in the door device.

In order to solve the above problems, the present invention is characterized by having the following configuration. That is,
A movable door supported movably by a caster provided at the bottom; a guide rail disposed at an upper portion of the movable door; and a first guided means and a second guided means guided by the guide rail. And
The movable door is rotatably attached to the first guided means guided by the guide rail, and one end of the movable door is rotatable by the second movable body guided by the guide rail. It is pivotally attached to the other end of the attached link arm,
The guide rail includes a linear first track portion that guides the first guided means and the second guided means at a position where the movable door is closed, and the first position where the movable door is opened. A linear second track part for guiding the guided means and the second guided means, and an intermediate track part connecting the first track part and the second track part,
The intermediate track part is provided in an arrangement substantially orthogonal or inclined from the end of the first track part toward the back of the movable door.
The door device rotates the movable door around the first guided means within a range limited by the link arm of the second guided means. Then, the lateral movement of the movable door is permitted (becomes movable) by pushing and rotating the surface on the opening direction side, and the lateral movement of the movable door is limited by pushing and rotating the surface on the closing direction side. The occlusion can be completed.

  The casters are formed so that the direction of the wheels automatically follows the direction of movement. Thereby, the horizontal movement and rotation of the movable door can be performed smoothly.

Moreover, in order to solve the said subject, this invention is equipped with the following structures, It is characterized by the above-mentioned. That is,
A door device that opens and closes a doorway by a sliding moving door guided by a guide rail. When the moving door is closed, it moves from the rear to the front part of the doorway along with lateral movement by the guide rail and moves. When the door is opened, it is configured to move to a position lowered rearward from the front portion of the doorway along with the lateral movement by the guide rail.
Although it is a door apparatus which opens and closes a doorway by movement of a movable door by the said structure, when closed, it can provide the door apparatus from which the surface position of a movable door becomes the same as the surrounding wall surface. .

Further, the present invention is characterized by having the following configuration. That is,
A sliding door device that opens and closes a doorway by a sliding movable door,
When the movable door closes, it moves from the rear to the front part of the doorway while rotating with the lateral movement,
When the movable door is opened, it is configured to move from the front surface portion of the doorway to a position lowered rearward while being accompanied by rotation along with the lateral movement.
As a result, the door device allows lateral movement of the movable door by pushing and rotating the surface on the opening direction side (becomes movable), and lateral movement of the movable door by pushing and rotating the surface on the closing direction side. It is possible to complete the closing of the door by restricting.

Although the door device according to the present invention is a door device that opens and closes the doorway by moving the movable door, it can provide a door device in which the surface position of the movable door is the same as the surrounding wall surface in the closed state. Has an effect.
Further, there is an effect that it is possible to allow lateral movement or restrict lateral movement by turning the movable door at the position where the door is closed.

It is a perspective view showing a part of temporary wall using a door apparatus. It is explanatory drawing of a 1st guided means and a 2nd guided means. It is explanatory drawing of the temporary wall centering on the guide rail. It is operation | movement explanatory drawing of a movable door.

Hereinafter, modes for carrying out the invention will be described.
FIG. 1 shows a part of a temporary wall W using a door device according to the present invention, and FIG. 1 (a) is a perspective view of a part of the temporary wall W as viewed from the front left upper part. FIG.1 (b) is the perspective view which looked at a part of the said temporary wall W from the back surface lower left part.
The temporary wall W is used when surrounding an outdoor construction site or partitioning an indoor space. FIG. 1 shows a portion of a door that opens and closes as a part of a temporary wall provided as such. The present invention relates to a sliding door device 1 used for such a temporary wall, by moving the movable doors 3 and 4 provided in the doorway 2 serving as an opening mainly in the left-right direction along the wall surface of the temporary wall W. The doorway 2 is configured to open and close.

  The temporary wall W includes a fixed wall formed by combining a fixed panel W1 and a variable length panel W2 that are not moved or deformed after installation, and a frame F and a movement that constitute the doorway 2 arranged in a part of the fixed wall. The sliding door device 1 includes doors 3 and 4. The variable-length panel W2 is a wall configured such that the amount of appearance can be adjusted according to the installation location such as adjusting the height of the wall. Each fixed panel W1, variable length panel W2, and movable doors 3 and 4 are plate-like plates in which a metal plate having high corrosion resistance such as a galvalume steel plate is attached to the front surface or both surfaces of a frame made of steel or aluminum alloy in a rectangular shape. It is formed as a body. The thickness of the panel and the movable door used in this embodiment is about 40 mm, and the size of the fixed panel W1 is about 2000 mm to 2100 mm in height and about 900 mm in width. In addition, the temporary wall W has a frame F serving as a skeleton for arranging the various panels, and the various panels are regularly arranged on the frame F.

The sliding door device 1 according to the present embodiment has the two movable doors 3 and 4 that are arranged in the doorway 2 and move in the left-right direction as described above. When the movable doors 3 and 4 are joined in the vicinity of the center, the door 2 is closed, and the door 2 is opened by moving left and right. In the present embodiment, the two movable doors 3 and 4 that move in the left-right direction of the doorway 2 are provided, but it may be configured as a one-sided sliding door with only one moving door. There is nothing.
The left movable door 3 and the right movable door 4 are formed to have a symmetrical shape when viewed from the front side in FIG. Therefore, the structure and each means provided in one door are substantially the same in structure only in the arrangement and the operation direction. Hereinafter, although the structure of the movable door 3 is demonstrated, since the movable door 4 is also provided with the same structure except the case where there is a notice in particular, description about a common matter is abbreviate | omitted.

The movable door 3 is formed as a rectangular plate-like body in front view. The plate-shaped part that constitutes the main part of the movable door 3 is a single door plate with high rigidity by attaching a metal plate having high corrosion resistance, such as the above-mentioned galvalume steel plate, to the front or both sides of the rectangular frame. Is formed.
At the lower end of the plate-shaped portion constituting the movable door 3, a flange plate-shaped movable table 5 is provided that protrudes horizontally toward the back side over the entire width of the door. The movable table 5 has a width of about 10 cm, and two casters 6 are attached to the bottom surface along the width direction of the movable door 2. The caster 6 has a wheel having a high load resistance, and has a function of automatically adjusting the rolling direction of the wheel according to the guided direction. The load of the movable door 3 is supported by the caster 6 through the movable table 5.
The structure of the lower part of the movable door 3 shown in FIG. 1B is simplified and includes a portion C2 of the movable base 5 on which the casters 6 are arranged and an enlarged view C2 ′ of the portion. Actually, the movable base 5 is formed to have such a strength that the function of the movable base 5 is sufficiently exhibited.

The movable table 5 described above is formed as a plate-like body protruding from the lower end of the movable door 3, but may be formed in a box shape formed so that the wheels of the casters are exposed from the bottom portion. The movable stand 5 should just have the function which supports the movable door 3 so that a movement is possible as a function requested | required first.
In addition, it is desirable that the movable table 5 includes the above-described plate-shaped one 5 so as to cover the periphery of the caster 6 or is formed in the box shape and covers the side surface. The caster 6 is designed to support the weight of the moving door 3 and to allow the wheel to roll even on a rough floor with some unevenness. The size is larger than the height. It is also assumed that wheels having a relatively large diameter are adopted in consideration of realizing smooth movement even when rough handling is performed. For this reason, it is desirable to adopt the above structure in order to prevent the caster 6 from coming into contact with or climbing on the operator's foot when the movable door 3 moves.

The caster 6 can change the direction of the wheel 7 in accordance with the moving direction of the movable door 3. The movable door 3 moves along a complex route involving movement in a direction orthogonal to the width direction in addition to linear movement in the width direction. The caster 6 is configured such that the direction of the wheels can follow the movement direction so that the movement of the movable door 3 can be performed smoothly.
A plate-like cover 8 is provided at the lower part of the movable door 3 provided with the movable base 5. The cover 8 may be formed of a metal plate such as a steel plate or a resin material such as plastic, vinyl or rubber. The cover 8 is configured to prevent the intrusion of dust and the intrusion of cold air or warm air by closing an opening generated in the lower portion of the movable door 3.

Guided means are provided at two locations on the upper surface of the movable door 3 shown in FIG. 1A and the door upper portion C1 in the drawing and the enlarged view C1 ′ of the portion. Each guided means is guided to a guide path 11 included in a guide rail 10 provided at the upper part of the doorway 2, and the movable door 3 can be moved along a guide path defined by the guide path 11. ing.
The guide rail 10 used in this embodiment has a groove-shaped guide port 12 on the lower surface of a square steel tubular steel material, and a roller provided in the guided means with a bottom wall in the steel pipe as a guide path 11. It is configured to support and guide.

  One of the guided means guided to the guide rail 10 is provided in the approximate center of the upper surface of the movable door 3. Guided means (first guided means) 15 provided substantially at the center of the upper surface of the movable door 3 rotatably supports the two rollers 16 and the rollers 16 as shown in FIG. The shaft portion 17 includes a base portion 18 rotatably coupled to the shaft portion. The base portion 18 constitutes a coupling portion with the movable door 3. The shaft portion 17 and the base portion 18 are coupled so as to be rotatable, and have an action of rotatably holding the movable door 3 with a vertical direction orthogonal to the rolling direction of the roller 16 as an axis.

The other guided means guided by the guide rail 10 is provided at a position that is biased toward the direction in which the door opens from the approximate center of the upper surface of the movable door 3.
The guided means (second guided means) 20 provided at a position deviated from the substantially center of the upper surface of the movable door 3 to the end side is composed of two pairs of rollers 21 as shown in FIG. The shaft 21 is configured to rotatably support the roller 21, and the base 23 is rotatably coupled to the shaft 22. One end 25 of a strong link arm 24 is fixed to the lower end of the base 23, and the other end 26 of the link arm 24 is rotatably attached to the upper surface of the movable door 3 by a fixture 27.
The link arm 24 is an elongated flat plate-like metal body, and the other end 26 can be turned around the second guided means 20 that is guided and moved by the guide rail 10. Yes. The movable door 3 can swing within the turning range of the other end 26 of the link arm 24 of the second guided means 20 around the base 18 of the first guided means 15.

The movable door 3 is guided according to the shape of the track of the square steel tubular guide rail 10 by the above-described structure. In the guide rail 10 according to the present embodiment, the first track portion 30 that places the movable door 3 when the movable door 3 is closed, and the movable door 3 that is arranged when the movable door 3 is open. A second track portion 31 and an intermediate track portion 32 connecting the first track portion and the second track portion.
FIG. 3 shows a part of the temporary wall W, and is a perspective view of a part of the temporary wall W as seen from the upper rear side. As can be seen from FIG. 3, the first track portion 30 of the guide rail 10 has a straight line shape, and the second track portion 31 has shifted the first track portion 30 horizontally to the back side. It is a linear trajectory along the extended line of the position. That is, the first track portion 30 and the second track portion 31 are both linear tracks and are provided in parallel. And the intermediate track part 32 which connects the 1st track part 30 and the 2nd track part 31 inclines diagonally back, and is provided.

Each of the first track portion 30, the second track portion 31, and the intermediate track portion 32 is not divided at each joint portion, and the first guided means 15 and the second guided means 20 are separated. The guide path 11 and the guide port 12 are formed as continuous tracks.
The C3 ′ portion shown in FIG. 3 is an explanatory view showing the C3 portion shown in FIG. 3 through the guide path 11 formed by the space in the square steel pipe, and is accommodated in the guide path 11. The second guided means 20 is shown. Similarly, the first guided means 15 is also guided in the guide path 11.

FIG. 4 is an explanatory view in plan view for explaining the movable door 3 guided by the guide rail 10, and the guide port 12 included in the guide rail 10 is represented by a wavy line. 4 shows the first guided means 15 and the second guided means 20 guided to the guide port 12, both guide means 15 and 20, and a movable door from fully closed to fully open. 3 is shown. FIG. 4A shows a state in which the movable door 3 is closed, and the state until the movable door 3 is fully opened is shown in order in FIG. 4E.
FIG. 4A shows a state where the movable door 3 is in a closed position. At this time, the first guided means 15 and the second guided means 20 are arranged on the first track portion 30 provided at the upper opening of the doorway 2.

The first track part 30 is linear and is provided in the same plane as the fixed panel W1 which is a fixed wall. The first guided part 15 and the second guided part are provided on the first track part 30. By arrange | positioning 20, the movable door 3 can be arrange | positioned on the same surface as the other fixed panel W1 which adjoins. Although not shown, a stopper that restricts the movement of the first guided means 15 is provided so that the movable door 3 does not move to the right side from a predetermined position in the center.
In order to open the movable door 3 closed as described above, the surface of the door on the opening direction side of the first guided means 15 is pushed rearward as a first operation. That is, as shown in FIG. 4 (b), the left front part (the handle 33 or the vicinity of the handle 33) of the movable door 3 that opens to the left side is pushed toward the arrow (Open) side. When the left side of the movable door 3 is pushed in this way, the movable door 3 rotates around the first guided means 15.

  A contact portion 36 that can be engaged with a receiving portion 35 provided in a door frame portion on the left side of the doorway 2 is provided on the left edge of the movable door 3. Since the movable door 3 can be rotated around the first guided means 15, the right front portion of the movable door 3 shown in FIG. When the door is pushed toward the close side of the handle 34 or the vicinity of the handle 34, there is a possibility that the left side of the movable door 3 jumps out to the near side beyond the fixed panel W <b> 1. In the present embodiment, the receiving portion 35 provided in the door frame portion is provided with a contact portion 36 on the side edge of the movable door 3 to restrict the movable door 3 from rotating beyond the closed position. Yes.

When the movable door 3 is rotated in the direction away from the receiving portion 35 as in the state of FIG. 4B, the position of the first guided means 15 remains unchanged and the second guided portion is left. The link arm 24 provided in the means 20 is rotated, and the end portion (mounting tool 27) of the movable door 3 protrudes to a rear position beyond the guide port 12 of the intermediate track portion 32. Thereby, the movement to the opening direction of the movable door 3 is attained.
When the contact between the contact portion 36 and the receiving portion 35 is released by the rotation of the movable door 3, the second guided means 20 is guided to the guide port 12 of the intermediate track portion 32 that faces in the rearward oblique direction and is rearward. As the movable door 3 moves, the first guided means 15 is also guided by the guide port 12 of the first track 30 and can move.
At this time, the wheel 7 of the caster 6 supporting the load of the movable door 3 follows the rotation of the movable door 3. For this reason, the caster 6 does not interfere with the rotation of the movable door 3.

  FIG. 4C shows that the second guided means 20 provided with the link arm 24 is moved from the intermediate track portion 32 to the second track portion 31 after being rotated in the direction indicated by the arrow (Open). It represents the state of moving. At this time, the right side of the movable door 3 is pushed in the P (left side) direction indicated by the arrow, and the movable door 3 is moved in the clockwise direction around the first guided means 15 and the force toward the left direction. The rotational force of As a result, while the movable door 3 is being guided by the guide port 12 of the intermediate track portion 32, the left end portion of the movable door 3 is more than the track defined by the guide port 12 by the link arm 24 of the second guided means. Move through the outside.

  When the movable door 3 is guided by the guide port 12 of the intermediate track portion 32 described above, the left end portion of the movable door 3 passes inside the track defined by the guide port 12 and the surface of the movable door 3 and the door frame. The receiving portion 35 approaches. The guide rail 10 is provided with a restricting means (not shown) that prevents the link arm 24 from rotating forward so that the movable door 3 and the door frame do not contact each other. The mobile door 3 and the door frame can be moved without being brought into contact without relying on such restricting means.

    FIG. 4D shows a state where the movable door 3 moves further than in FIG. 4C and the first guided means 15 moves from the intermediate track portion 32 to the second track portion 31. Also in this case, it can be seen that the left end portion of the movable door 3 passes outside the track defined by the guide port 12 by the link arm 24 of the second guided means.

  FIG. 4E shows a state in which the movable door 3 is fully opened. In this state, both the first guided means 15 and the second guided means are on the second track portion 31, and the positions of the linear second track portion 31 and the movable door 3 are viewed in plan view. In this state, the movable door 3 is accommodated on the back side of the fixed panel W1. Thereby, the opening operation | movement of the movable door 3 is complete | finished.

  When the opened movable door 3 is closed, the aforementioned steps are performed in the reverse order. That is, the movable door 3 is pulled out to the right from the state shown in FIG. 4E, and the movable door 3 is moved to the positions shown in FIGS. 4D, 4C, and 4B. Then, by pushing the right side of the movable door 3 (the handle 34 and the vicinity of the handle 34) in the direction indicated by the arrow (Close), the movable door 3 becomes flush with the adjacent fixed panel W1 as shown in FIG. It can be arranged at the position.

In addition, as described above, the above description is about the movable door 3 which is one of the two movable doors 3 and 4, but the movable door 4 is formed symmetrically with the movable door 3. The basic structure and operation are basically the same as those of the movable door 3.
Further, the figure shows a two-door sliding door configured to summon the movable door 3 and the movable door 4 in a closed position. However, there is no problem even if a door device that opens and closes by one movable door 3 is configured.

  In the door device according to the present embodiment described above, the moving door can be provided so as to be flush with the adjacent wall surfaces when the door is closed. In the case of a conventional simple sliding door, the moving door must be placed at a position lower than the adjacent wall by the length of the wall thickness of the lower door, creating a step on the surface. End up. The door device according to the present embodiment can provide a sliding door type door device that does not cause a step on such a surface.

The door device according to the present invention is applicable to a sliding door type door device.

Claims (4)

A movable door supported movably by a caster provided at the bottom; a guide rail disposed at an upper portion of the movable door; and a first guided means and a second guided means guided by the guide rail. And
The movable door is rotatably attached to the first guided means guided by the guide rail, and one end of the movable door is rotatable by the second movable body guided by the guide rail. It is pivotally attached to the other end of the attached link arm,
The guide rail includes a linear first track portion that guides the first guided means and the second guided means at a position where the movable door is closed, and the first position where the movable door is opened. A linear second track part for guiding the guided means and the second guided means, and an intermediate track part connecting the first track part and the second track part,
The said intermediate track part is provided in the arrangement | positioning substantially orthogonal or inclined from the terminal of the said 1st track part toward the back surface direction of a movable door.   The door device according to claim 1, wherein the caster is formed so that a direction of a wheel automatically follows in accordance with a moving direction. A door device that opens and closes a doorway by a sliding movable door guided by a guide rail,
When the movable door closes, it moves from the rear to the front part of the doorway along with the lateral movement by the guide rail,
When the movable door is opened, the door device is configured to move to a position lowered rearward from the front portion of the doorway along with lateral movement by the guide rail.
When the movable door closes, it moves from the rear to the front part of the doorway while rotating with the lateral movement,
4. The door device according to claim 3, wherein when the movable door is opened, the door device is configured to move from the front portion of the doorway to a position lowered rearward while being rotated along with the lateral movement.

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